31426454 has 4 divisors (see below), whose sum is σ = 47139684. Its totient is φ = 15713226.

The previous prime is 31426411. The next prime is 31426471. The reversal of 31426454 is 45462413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45462413 = 2843 ⋅15991.

It is a super-2 number, since 2×31426454² = 1975244022028232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7856612 + ... + 7856615.

It is an arithmetic number, because the mean of its divisors is an integer number (11784921).

Almost surely, 2^31426454 is an apocalyptic number.

31426454 is a deficient number, since it is larger than the sum of its proper divisors (15713230).

31426454 is a wasteful number, since it uses less digits than its factorization.

31426454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15713229.

The product of its digits is 11520, while the sum is 29.

The square root of 31426454 is about 5605.9302528662. The cubic root of 31426454 is about 315.5719984066.

Adding to 31426454 its reverse (45462413), we get a palindrome (76888867).

The spelling of 31426454 in words is "thirty-one million, four hundred twenty-six thousand, four hundred fifty-four".